== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:32:13 (1784190733) Starting client oleg118-client.virtnet: -o user_xattr,flock 192.168.201.118@tcp:/lustre /mnt/lustre Started clients oleg118-client.virtnet: 192.168.201.118@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65639 Started dbench loop with 65640 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3580768 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7186224 1% /mnt/lustre '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Jul 16 04:32:20 EDT 2026 waiting for dbench pid 65709 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs failed to create barrier semaphore 0 of 1 processes prepared for launch 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 0 10 0.00 MB/sec warmup 1 sec latency 61.966 ms 1 65 1.40 MB/sec warmup 2 sec latency 104.900 ms 1 108 1.70 MB/sec warmup 3 sec latency 160.635 ms 1 129 1.44 MB/sec warmup 4 sec latency 219.655 ms 1 157 1.30 MB/sec warmup 5 sec latency 167.919 ms 1 172 1.17 MB/sec warmup 6 sec latency 634.428 ms 1 181 1.04 MB/sec warmup 7 sec latency 1228.600 ms 1 197 0.98 MB/sec warmup 8 sec latency 649.908 ms 1 229 0.98 MB/sec warmup 9 sec latency 189.072 ms 1 278 1.04 MB/sec warmup 10 sec latency 107.806 ms test_26 fail mds1 1 times 1 313 1.04 MB/sec warmup 11 sec latency 139.724 ms 1 332 1.00 MB/sec warmup 12 sec latency 278.170 ms Failing mds1 on oleg118-server 1 358 0.98 MB/sec warmup 13 sec latency 148.005 ms Stopping /mnt/lustre-mds1 (opts:) on oleg118-server 1 398 1.00 MB/sec warmup 14 sec latency 131.867 ms 1 428 1.01 MB/sec warmup 15 sec latency 198.297 ms 1 428 0.94 MB/sec warmup 16 sec latency 1199.132 ms 1 428 0.89 MB/sec warmup 17 sec latency 2200.205 ms 04:32:38 (1784190758) shut down facet: mds1 facet_host: oleg118-server facet_failover_host: oleg118-server 1 428 0.84 MB/sec warmup 18 sec latency 3202.485 ms 1 428 0.79 MB/sec warmup 19 sec latency 4202.692 ms 1 428 0.00 MB/sec execute 1 sec latency 6203.080 ms 1 428 0.00 MB/sec execute 2 sec latency 7203.290 ms 1 428 0.00 MB/sec execute 3 sec latency 8205.073 ms 1 428 0.00 MB/sec execute 4 sec latency 9206.704 ms 1 428 0.00 MB/sec execute 5 sec latency 10206.969 ms 1 428 0.00 MB/sec execute 6 sec latency 11207.670 ms 1 428 0.00 MB/sec execute 7 sec latency 12207.903 ms 1 428 0.00 MB/sec execute 8 sec latency 13208.092 ms Failover mds1 to oleg118-server mount facets: mds1 1 428 0.00 MB/sec execute 9 sec latency 14208.344 ms 1 428 0.00 MB/sec execute 10 sec latency 15208.586 ms 1 428 0.00 MB/sec execute 11 sec latency 16208.814 ms 1 428 0.00 MB/sec execute 12 sec latency 17218.577 ms 1 428 0.00 MB/sec execute 13 sec latency 18219.759 ms 1 428 0.00 MB/sec execute 14 sec latency 19220.899 ms 1 428 0.00 MB/sec execute 15 sec latency 20221.496 ms 1 428 0.00 MB/sec execute 16 sec latency 21224.995 ms 1 428 0.00 MB/sec execute 17 sec latency 22232.900 ms 1 428 0.00 MB/sec execute 18 sec latency 23233.462 ms 1 428 0.00 MB/sec execute 19 sec latency 24234.494 ms 1 428 0.00 MB/sec execute 20 sec latency 25234.809 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 21 sec latency 26235.032 ms 1 428 0.00 MB/sec execute 22 sec latency 27237.823 ms 1 428 0.00 MB/sec execute 23 sec latency 28241.690 ms 1 428 0.00 MB/sec execute 24 sec latency 29242.003 ms 1 428 0.00 MB/sec execute 25 sec latency 30242.271 ms 1 428 0.00 MB/sec execute 26 sec latency 31244.379 ms 1 428 0.00 MB/sec execute 27 sec latency 32245.616 ms 1 428 0.00 MB/sec execute 28 sec latency 33252.753 ms 1 428 0.00 MB/sec execute 29 sec latency 34253.299 ms 1 428 0.00 MB/sec execute 30 sec latency 35253.922 ms 1 428 0.00 MB/sec execute 31 sec latency 36254.162 ms oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 32 sec latency 37258.163 ms 1 428 0.00 MB/sec execute 33 sec latency 38260.929 ms pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 445 0.02 MB/sec execute 34 sec latency 38425.033 ms 1 474 0.04 MB/sec execute 35 sec latency 197.414 ms Started lustre-MDT0000 04:33:15 (1784190795) targets are mounted 04:33:15 (1784190795) facet_failover done 1 494 0.06 MB/sec execute 36 sec latency 207.172 ms 1 518 0.07 MB/sec execute 37 sec latency 178.876 ms 1 552 0.10 MB/sec execute 38 sec latency 256.038 ms 1 587 0.13 MB/sec execute 39 sec latency 891.809 ms 1 636 0.15 MB/sec execute 40 sec latency 132.594 ms 1 661 0.15 MB/sec execute 41 sec latency 177.239 ms 1 692 0.14 MB/sec execute 42 sec latency 138.635 ms 1 711 0.14 MB/sec execute 43 sec latency 190.931 ms 1 735 0.14 MB/sec execute 44 sec latency 114.587 ms oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 765 0.14 MB/sec execute 45 sec latency 130.246 ms 1 786 0.14 MB/sec execute 46 sec latency 165.200 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 809 0.14 MB/sec execute 47 sec latency 155.904 ms 1 863 0.13 MB/sec execute 48 sec latency 129.433 ms 1 882 0.13 MB/sec execute 49 sec latency 152.945 ms 1 900 0.13 MB/sec execute 50 sec latency 163.781 ms 1 921 0.13 MB/sec execute 51 sec latency 136.727 ms 1 943 0.13 MB/sec execute 52 sec latency 165.240 ms 1 960 0.13 MB/sec execute 53 sec latency 244.977 ms 1 985 0.13 MB/sec execute 54 sec latency 116.145 ms 1 1026 0.14 MB/sec execute 55 sec latency 165.244 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] 1 1058 0.14 MB/sec execute 56 sec latency 161.496 ms lustre-OST0000_UUID 3833116 18116 3577360 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35740 3568984 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53856 7146344 1% /mnt/lustre 1 1082 0.14 MB/sec execute 57 sec latency 183.762 ms 1 1127 0.14 MB/sec execute 58 sec latency 135.359 ms 1 1145 0.13 MB/sec execute 59 sec latency 153.115 ms 1 1163 0.13 MB/sec execute 60 sec latency 388.955 ms 1 1172 0.13 MB/sec execute 61 sec latency 916.916 ms 1 1181 0.13 MB/sec execute 62 sec latency 1028.139 ms 1 1193 0.13 MB/sec execute 63 sec latency 250.685 ms 1 1219 0.12 MB/sec execute 64 sec latency 169.142 ms 1 1233 0.12 MB/sec execute 65 sec latency 150.529 ms 1 1262 0.12 MB/sec execute 66 sec latency 173.388 ms 1 1318 0.13 MB/sec execute 67 sec latency 156.435 ms 1 1399 0.16 MB/sec execute 68 sec latency 193.436 ms 1 1418 0.16 MB/sec execute 69 sec latency 218.354 ms 1 1465 0.16 MB/sec execute 70 sec latency 172.244 ms 1 1497 0.15 MB/sec execute 71 sec latency 144.859 ms test_26 fail mds2 2 times 1 1511 0.15 MB/sec execute 72 sec latency 265.849 ms 1 1538 0.15 MB/sec execute 73 sec latency 188.157 ms 1 1560 0.15 MB/sec execute 74 sec latency 151.009 ms 1 1572 0.15 MB/sec execute 75 sec latency 170.215 ms Failing mds2 on oleg118-server 1 1599 0.14 MB/sec execute 76 sec latency 191.638 ms Stopping /mnt/lustre-mds2 (opts:) on oleg118-server 1 1632 0.14 MB/sec execute 77 sec latency 185.103 ms 1 1653 0.14 MB/sec execute 78 sec latency 312.107 ms 1 1669 0.14 MB/sec execute 79 sec latency 397.625 ms 1 1696 0.14 MB/sec execute 80 sec latency 191.166 ms 1 1755 0.14 MB/sec execute 81 sec latency 143.490 ms 1 1805 0.14 MB/sec execute 82 sec latency 121.186 ms 04:34:03 (1784190843) shut down facet: mds2 facet_host: oleg118-server facet_failover_host: oleg118-server 1 1861 0.13 MB/sec execute 83 sec latency 121.417 ms 1 1956 0.13 MB/sec execute 84 sec latency 114.845 ms 1 2016 0.13 MB/sec execute 85 sec latency 78.309 ms 1 2086 0.13 MB/sec execute 86 sec latency 118.194 ms 1 2156 0.13 MB/sec execute 87 sec latency 90.743 ms 1 2190 0.13 MB/sec execute 88 sec latency 148.137 ms 1 2240 0.13 MB/sec execute 89 sec latency 131.781 ms 1 2259 0.13 MB/sec execute 90 sec latency 747.367 ms 1 2259 0.13 MB/sec execute 91 sec latency 1747.639 ms 1 2259 0.13 MB/sec execute 92 sec latency 2748.059 ms Failover mds2 to oleg118-server mount facets: mds2 1 2259 0.13 MB/sec execute 93 sec latency 3748.828 ms 1 2259 0.12 MB/sec execute 94 sec latency 4753.555 ms 1 2259 0.12 MB/sec execute 95 sec latency 5753.799 ms 1 2259 0.12 MB/sec execute 96 sec latency 6754.256 ms 1 2259 0.12 MB/sec execute 97 sec latency 7755.335 ms 1 2259 0.12 MB/sec execute 98 sec latency 8755.772 ms 1 2259 0.12 MB/sec execute 99 sec latency 9756.248 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 cleanup 113 sec pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 cleanup 114 sec 1 cleanup 115 sec Started lustre-MDT0001 04:34:36 (1784190876) targets are mounted 04:34:36 (1784190876) facet_failover done 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 0 cleanup 119 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 156.532 25768.362 Close 286 152.274 38424.995 Rename 11 148.197 388.926 Unlink 30 41.107 155.673 Qpathinfo 295 21.053 270.847 Qfileinfo 78 4.539 54.251 Qfsinfo 33 6.396 27.762 Sfileinfo 34 95.497 176.098 Find 92 15.570 80.958 WriteX 266 19.912 131.153 ReadX 348 4.693 188.131 Flush 30 73.074 215.739 Throughput 0.117478 MB/sec 1 clients 1 procs max_latency=38425.033 ms stopping dbench on /mnt/lustre at Thu Jul 16 04:34:39 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Jul 16 04:34:50 EDT 2026 waiting for dbench pid 67803 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 0 of 1 processes prepared for launch 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 0 8 0.00 MB/sec warmup 1 sec latency 153.668 ms 1 38 0.65 MB/sec warmup 2 sec latency 114.078 ms 1 84 1.26 MB/sec warmup 3 sec latency 108.721 ms 1 113 1.31 MB/sec warmup 4 sec latency 175.894 ms 1 139 1.20 MB/sec warmup 5 sec latency 179.587 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44092 3560568 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2544 3604420 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164988 1% /mnt/lustre 1 157 1.09 MB/sec warmup 6 sec latency 222.581 ms 1 184 1.04 MB/sec warmup 7 sec latency 277.277 ms 1 199 0.98 MB/sec warmup 8 sec latency 451.081 ms 1 224 0.95 MB/sec warmup 9 sec latency 168.233 ms 1 247 0.94 MB/sec warmup 10 sec latency 196.020 ms 1 274 0.92 MB/sec warmup 11 sec latency 201.176 ms 1 298 0.91 MB/sec warmup 12 sec latency 159.619 ms 1 322 0.90 MB/sec warmup 13 sec latency 195.277 ms 1 322 0.84 MB/sec warmup 14 sec latency 1129.865 ms 1 331 0.80 MB/sec warmup 15 sec latency 1644.470 ms 1 365 0.81 MB/sec warmup 16 sec latency 156.711 ms 1 405 0.84 MB/sec warmup 17 sec latency 134.000 ms 1 453 0.88 MB/sec warmup 18 sec latency 113.334 ms test_26 fail mds1 3 times 1 478 0.88 MB/sec warmup 19 sec latency 163.348 ms Failing mds1 on oleg118-server 1 539 1.51 MB/sec execute 1 sec latency 178.874 ms Stopping /mnt/lustre-mds1 (opts:) on oleg118-server 1 616 1.75 MB/sec execute 2 sec latency 116.897 ms 1 673 1.24 MB/sec execute 3 sec latency 140.156 ms 1 715 0.93 MB/sec execute 4 sec latency 95.005 ms 04:35:15 (1784190915) shut down 1 765 0.78 MB/sec execute 5 sec latency 128.469 ms facet: mds1 facet_host: oleg118-server facet_failover_host: oleg118-server 1 804 0.67 MB/sec execute 6 sec latency 128.806 ms 1 870 0.60 MB/sec execute 7 sec latency 91.470 ms 1 884 0.52 MB/sec execute 8 sec latency 669.553 ms 1 888 0.47 MB/sec execute 9 sec latency 1381.780 ms 1 918 0.43 MB/sec execute 10 sec latency 120.541 ms 1 969 0.39 MB/sec execute 11 sec latency 119.123 ms 1 995 0.37 MB/sec execute 12 sec latency 123.277 ms 1 995 0.34 MB/sec execute 13 sec latency 1088.357 ms 1 995 0.32 MB/sec execute 14 sec latency 2088.593 ms 1 995 0.30 MB/sec execute 15 sec latency 3089.105 ms Failover mds1 to oleg118-server mount facets: mds1 1 995 0.28 MB/sec execute 16 sec latency 4090.074 ms 1 995 0.26 MB/sec execute 17 sec latency 5093.054 ms 1 995 0.25 MB/sec execute 18 sec latency 6094.102 ms 1 995 0.23 MB/sec execute 19 sec latency 7094.235 ms 1 995 0.22 MB/sec execute 20 sec latency 8094.456 ms 1 995 0.21 MB/sec execute 21 sec latency 9094.907 ms 1 995 0.20 MB/sec execute 22 sec latency 10095.883 ms 1 995 0.19 MB/sec execute 23 sec latency 11096.425 ms 1 995 0.18 MB/sec execute 24 sec latency 12096.596 ms 1 995 0.18 MB/sec execute 25 sec latency 13096.987 ms 1 995 0.17 MB/sec execute 26 sec latency 14097.872 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 995 0.16 MB/sec execute 27 sec latency 15098.234 ms 1 995 0.16 MB/sec execute 28 sec latency 16098.588 ms 1 995 0.15 MB/sec execute 29 sec latency 17098.840 ms 1 995 0.15 MB/sec execute 30 sec latency 18099.161 ms 1 995 0.14 MB/sec execute 31 sec latency 19099.391 ms 1 995 0.14 MB/sec execute 32 sec latency 20099.816 ms 1 995 0.13 MB/sec execute 33 sec latency 21100.062 ms 1 995 0.13 MB/sec execute 34 sec latency 22100.401 ms 1 995 0.13 MB/sec execute 35 sec latency 23100.643 ms 1 995 0.12 MB/sec execute 36 sec latency 24101.170 ms 1 995 0.12 MB/sec execute 37 sec latency 25102.844 ms 1 995 0.12 MB/sec execute 38 sec latency 26103.818 ms 1 995 0.11 MB/sec execute 39 sec latency 27104.779 ms oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 995 0.11 MB/sec execute 40 sec latency 28104.963 ms pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 1000 0.11 MB/sec execute 41 sec latency 28914.515 ms Started lustre-MDT0000 04:35:52 (1784190952) targets are mounted 04:35:52 (1784190952) facet_failover done 1 1054 0.13 MB/sec execute 42 sec latency 168.421 ms 1 1118 0.13 MB/sec execute 43 sec latency 78.399 ms 1 1147 0.13 MB/sec execute 44 sec latency 109.675 ms 1 1181 0.12 MB/sec execute 45 sec latency 128.683 ms 1 1221 0.12 MB/sec execute 46 sec latency 132.218 ms 1 1248 0.12 MB/sec execute 47 sec latency 222.491 ms 1 1284 0.12 MB/sec execute 48 sec latency 131.505 ms 1 1399 0.17 MB/sec execute 49 sec latency 101.401 ms oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1428 0.17 MB/sec execute 50 sec latency 95.709 ms 1 1467 0.17 MB/sec execute 51 sec latency 206.871 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1483 0.16 MB/sec execute 52 sec latency 659.558 ms 1 1514 0.16 MB/sec execute 53 sec latency 90.707 ms 1 1564 0.16 MB/sec execute 54 sec latency 86.967 ms 1 1621 0.16 MB/sec execute 55 sec latency 95.264 ms 1 1655 0.16 MB/sec execute 56 sec latency 138.950 ms 1 1707 0.15 MB/sec execute 57 sec latency 107.851 ms 1 1771 0.15 MB/sec execute 58 sec latency 133.529 ms 1 1825 0.15 MB/sec execute 59 sec latency 95.404 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1884 0.15 MB/sec execute 60 sec latency 93.511 ms 1 1964 0.15 MB/sec execute 61 sec latency 88.515 ms 1 2006 0.15 MB/sec execute 62 sec latency 96.926 ms 1 2069 0.15 MB/sec execute 63 sec latency 102.312 ms 1 2128 0.14 MB/sec execute 64 sec latency 96.089 ms 1 2162 0.14 MB/sec execute 65 sec latency 93.821 ms 1 2198 0.14 MB/sec execute 66 sec latency 212.013 ms 1 2262 0.14 MB/sec execute 67 sec latency 86.901 ms 1 2340 0.15 MB/sec execute 68 sec latency 79.662 ms 1 2373 0.15 MB/sec execute 69 sec latency 98.200 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jul 16 04:36:20 EDT 2026 with return code 0 67803 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67803 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished